Which of the following shows the levels of organization in the human body from the smallest unit to largest unit?

A. cell, tissue, organ, organ system, organism

B. organism, organ system, organ, tissue, cell

C. tissue, cell, organ, organ system, organism

D. cell, organ, tissue, organ system, organism

What is the difference between bacterial infections and viral infections?

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing